US Bridges

Milliken Ave over Philadelphia ST

Fair

San Bernardino County, California · 0.45 MI West of I-15 N · Structure no. 54C0775

Built
2016
9 years old
Condition
Fair
inspected January 2025
Type
Slab
Concrete
Length
45 ft
1 main span
Daily traffic
18,780
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Milliken Ave over Philadelphia ST is a concrete slab carrying Milliken Ave over Philadelphia ST in San Bernardino County, California. It was built in 2016, so it is 9 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 18,780 vehicles a day, roughly 5% of them trucks, projected to reach 40,943 by 2043. The structure is 45 ft (13.6 m) long and 129 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesMilliken Ave
CrossesPhiladelphia ST
Location0.45 MI West of I-15 N
RouteCity Street 0
CountySan Bernardino County
StateCalifornia
Coordinates34.03343, -117.55821
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length45 ft (13.6 m)
Longest span45 ft (13.6 m)
Deck width129 ft (39.2 m)
Roadway width117 ft (35.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,780 (2017)
Projected traffic40,943 by 2043
Trucks5%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Milliken Ave over Philadelphia ST built?

It was built in 2016, making it 9 years old in 2025.

What condition is Milliken Ave over Philadelphia ST in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2025.

How much traffic does Milliken Ave over Philadelphia ST carry?

About 18,780 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Milliken Ave over Philadelphia ST?

The structure is 45 ft (13.6 m) long with a longest span of 45 ft (13.6 m) and a deck 129 ft wide.

Who owns Milliken Ave over Philadelphia ST?

It is owned by the City or Municipal Highway Agency.